The Bonhams Scientific Instruments department holds dedicated auctions twice a year, as well as offering property within the Gentleman's Library sale.

We offer instruments and apparatus from the earliest known historical artefacts to items from the late 19th and early 20th centuries.

Our sales contain microscopes, telescopes, surveying and navigational instruments, globes, sundials, astrolabes, calculators, drawing instruments, barometers and barographs, medical and dental instruments.